[Wang, Ying; Gao, Xudong; Wang, Zhenkun; Tan, Xiaodong] Wuhan Univ, Sch Hlth Sci, Dept Occupat & Environm Hlth, 115 Donghu Rd, Wuhan 430071, Peoples R China.
[Gao, Xudong] Wuhan Polytech Univ, Coll Hlth Sci & Nursing, Dept Nursing, 68 Xuefunan Rd, Wuhan 430023, Peoples R China.
[Kong, Chan] HUST, Tongji Med Coll, Tongji Hosp, Comprehens Med Dept, 1095 Jiefang Ave, Wuhan 430030, Peoples R China.
[Yang, Fen] Hubei Univ Chinese Med, Sch Nursing, Dept Nursing, 1 Huangjiahuxi Rd, Wuhan 430065, Peoples R China.